The funnel-shaped design of the tub, with its widening shape towards the top, allows for easier filling and emptying, as well as space-saving stacking compared to cylindrical tubs. The two handles ensure more stable handling and safer carrying, even with heavier loads. Spruce wood, due to its properties and durability, is a traditionally proven material for saunas. It is ideally suited for accessories such as sauna buckets or as a material for plunge pools, provided the wood is properly maintained or treated for continuous contact with water.